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Describe the properties of an electromagnetic wave.
Describe the properties of an electromagnetic wave.
Electromagnetic waves are the combination of orthogonal transverse electric and magnetic waves.
Electromagnetic waves do not need a medium through which to propagate.
Categories of electromagnetic waves are characterized by their wavelengths.
Categories of electromagnetic waves include (in order of decreasing wavelength spanning a range from kilometers to picometers) radio waves, microwaves, infrared, visible, ultraviolet, x-rays, and gamma rays.
Visible electromagnetic waves are further broken into categories of color including (in order of decreasing wavelength) red, orange, yellow, green, blue, and violet.
Visible electromagnetic waves are also called “light.” Sometimes “light” is used to refer to electromagnetic waves of all wavelengths.
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